Uploaded image for project: 'Flink'
  1. Flink
  2. FLINK-14385

There are ClassNotFoundException when run the example in Local Setup Tutorial

    XMLWordPrintableJSON

Details

    Description

      When do the release check of release-1.9.1-rc1, the ClassNotFoundException is found when go through the wordcount example in Local Setup Tutorial.

      You can find the exception in the log file of `flink-xxx-client-MacBook-Pro-2.local.log`

      java.lang.NoClassDefFoundError: org/apache/hadoop/yarn/exceptions/YarnException
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:264)
        at org.apache.flink.client.cli.CliFrontend.loadCustomCommandLine(CliFrontend.java:1187)
        at org.apache.flink.client.cli.CliFrontend.loadCustomCommandLines(CliFrontend.java:1147)
        at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1072)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.yarn.exceptions.YarnException
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 5 more

      We know that Hadoop is not pre-bundled in Flink anymore but it would be nice to avoid this exception in order not to bring confusion to new users when they run programs under the local cluster?

      Attachments

        Activity

          People

            Unassigned Unassigned
            hequn8128 Hequn Cheng
            Votes:
            0 Vote for this issue
            Watchers:
            4 Start watching this issue

            Dates

              Created:
              Updated: